MLBEDSW-10319: Add single-consumer check before OFM-fusing
- OFM-fusing of Rescales is only valid if the Rescale operation (to be fused) is the single consumer of the preceding operations OFM.
Change-Id: Ie341d3e462cf7ce7ec4721f83b459d364542304c Signed-off-by: Alexander Bengtsson Alexander.Bengtsson@arm.com